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104030023 = 1634991279
BaseRepresentation
bin1100011001101…
…01111101000111
321020202021100211
412030311331013
5203112430043
614153420251
72402145346
oct614657507
9236667324
10104030023
11537a4329
122aa0a687
1318724c36
14db5db5d
1591eda9d
hex6335f47

104030023 has 8 divisors (see below), whose sum is σ = 104960000. Its totient is φ = 103103928.

The previous prime is 104030009. The next prime is 104030033. The reversal of 104030023 is 320030401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104030023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104029985 and 104030012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104030033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80698 + ... + 81976.

It is an arithmetic number, because the mean of its divisors is an integer number (13120000).

Almost surely, 2104030023 is an apocalyptic number.

104030023 is a deficient number, since it is larger than the sum of its proper divisors (929977).

104030023 is a wasteful number, since it uses less digits than its factorization.

104030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 104030023 is about 10199.5109196471. The cubic root of 104030023 is about 470.3121858322.

Adding to 104030023 its reverse (320030401), we get a palindrome (424060424).

The spelling of 104030023 in words is "one hundred four million, thirty thousand, twenty-three".

Divisors: 1 163 499 1279 81337 208477 638221 104030023